Pocket Pet · Cavia porcellus · typical adult weight 0.70–1.20 kg
Toltrazuril is dosed at 10 mg/kg PO q24h x 3 days, off 3-5 days, on 3 days in guinea pigs, per Ewringmann A, Gloeckner B. Leitsymptome bei Meerschweinchen, Chinchilla und Degu, Enke, Stuttgart, Germany; 2012. / Sassenburg L. Degu. In: Fehr M, Sassenburg L, Zwart P, eds. Krankheiten der Heimtiere, Schluetersche Verlagsgesellschaft, Hannover, Germany; 2015. / Visser C, Wijnbergen A, Bleich A. Maeuse und ratten. In: Fehr M, Sassenburg L, Zwart P, eds. Krankheiten der Heimtiere, Schluetersche Verlagsgesellschaft, Hannover, Germany; 2015. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.780 (2026-08-01, PENDING REVIEW). Toltrazuril is used in guinea pigs for Coccidiosis. Routes documented in guinea pigs: PO. A typical adult guinea pig weighs 0.70–1.20 kg. ExoticRx lists 1 cited dose rule for Toltrazuril in guinea pigs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Baycox
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| PO | 10 mg/kg | q24h x 3 days, off 3-5 days, on 3 days | Coccidiosis | Moderate | Ewringmann A, Gloeckner B. Leitsymptome bei Meerschweinchen, Chinchilla und Degu, Enke, Stuttgart, Germany; 2012. / Sassenburg L. Degu. In: Fehr M, Sassenburg L, Zwart P, eds. Krankheiten der Heimtiere, Schluetersche Verlagsgesellschaft, Hannover, Germany; 2015. / Visser C, Wijnbergen A, Bleich A. Maeuse und ratten. In: Fehr M, Sassenburg L, Zwart P, eds. Krankheiten der Heimtiere, Schluetersche Verlagsgesellschaft, Hannover, Germany; 2015. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.780 (2026-08-01, PENDING REVIEW) |
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These ranges are per kg. Enter your guinea pig's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Disrupts mitochondrial function and nuclear division in all intracellular stages of coccidia. Coccidiocidal rather than coccidiostatic.
Generally well-tolerated. Primarily used for coccidiosis. Single-dose or short-course treatment. Bitter taste. Extra-label use in small animals.
Species-specific contraindications and adverse-reaction reports for guinea pigs may differ from canine / feline reference data — consult the primary citations listed with each rule.
Toltrazuril dose range in guinea pigs, with cited source references: PO 10 mg/kg q24h x 3 days, off 3-5 days, on 3 days. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Toltrazuril in guinea pigs: PO.
Toltrazuril is indicated in guinea pigs for: Coccidiosis.
These are general warnings for Toltrazuril across species; consult the guinea pig dosing table above for species-specific guidance. Generally well-tolerated. Primarily used for coccidiosis. Single-dose or short-course treatment. Bitter taste. Extra-label use in small animals.
Why a species-specific page? Toltrazuril pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in guinea pigs — the rules above are the citations specific to this species, not generic recommendations.
Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.